Kk tolong jawab kk
Jawaban:
a. 5x-3x =2x
b. 9+4x-1= 4x+9-1=4x+8
c. 4x-8x+12 = -4x+12
d. 7-2x-x+5= -2x-x+7+5
= -3x+12
e. 3x²+ 3y²-5xy+2x²-5y²+6xy
= -5xy+6xy+3x²+2x²+3y²+5y²
= xy+5x²+8y²
Jawaban:
a.5x-3x=2x
b.9-1+4x=8+4x
c.4x-8x+12=-4x+12
d.7+5-2x-x=12-(-3x)
e.3x²+2x²+3y²-5y²-5xy+6xy=5x²-2y²-xy
maaf kalo salah